diff --git a/.hgtags b/.hgtags
index ebca82a36..f8a235041 100644
--- a/.hgtags
+++ b/.hgtags
@@ -7,3 +7,4 @@ cdbc7629bd2907c1b4a27337c632a44a418ec9ac v0.3.0
 d8d7cb2fad21a31a81d96060e3a0951feb1ee49f v0.3.1
 216056d63b8856ac0e3bd33737aa5177acf6da08 v0.3.2
 e074998783bd565bf9df3f6508333909e037fbd2 v0.3.3
+5fcb2f90e1fbf7f1a7fb2beb1a3ee5a2688dbb08 v0.4.0